CVE-2024-56697 drm/amdgpu: Fix the memory allocation issue in amdgpu_discovery_get_nps_info()

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Fix the memory allocation issue in amdgpudiscoverygetnpsinfo Fix two issues with memory allocation in amdgpudiscoverygetnpsinfo for memranges: - Add a check for allocation failure to avoid dereferencing a null pointer...

CVE-2024-56697

CVE-2024-56697 affects the Linux kernel DRM/AMDGPU path. The issue was a memory allocation problem in amdgpu_discovery_get_nps_info() (mem_ranges) that could dereference a NULL pointer. The fix adds a failure check, switches to kvcalloc() to guard against integer overflow, and assigns output para...